media: gspca: Convert PERR to gspca_err

Use a more typical kernel logging style.

The current macro hides the gspca_dev argument so add it to the
macro uses instead.

Miscellanea:

o Add missing '\n' terminations to formats
o Realign arguments to open parenthesis

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/gspca/sq905.c

@@ -382,7 +382,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	}
 
 	if (ret < 0) {
-		PERR("Start streaming command failed");
+		gspca_err(gspca_dev, "Start streaming command failed\n");
 		return ret;
 	}
 	/* Start the workqueue function to do the streaming */